=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
=> Fetching ipxe-git-9a93db3f0947484e30e753bbd61a10b17336e20e.tar.gz
=> Total size: 2867999 bytes
=> Checksum SHA1 OK for ipxe-git-9a93db3f0947484e30e753bbd61a10b17336e20e.tar.gz
=> Checksum RMD160 OK for ipxe-git-9a93db3f0947484e30e753bbd61a10b17336e20e.tar.gz
=> Checksum SHA512 OK for ipxe-git-9a93db3f0947484e30e753bbd61a10b17336e20e.tar.gz
=> Fetching xen-4.6.6.tar.gz
=> Total size: 19725113 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file xen-4.6.6.tar.gz
ftp: Can't LOOKUP `bits.xensource.com:http': hostname nor servname provided, or not known
ftp: Can't connect to `bits.xensource.com:http'
fetch: Unable to fetch expected file xen-4.6.6.tar.gz
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file xen-4.6.6.tar.gz
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file xen-4.6.6.tar.gz
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file xen-4.6.6.tar.gz
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file xen-4.6.6.tar.gz
*** Error code 1

Stop.
make: stopped in /data/pkgsrc/sysutils/xenstoretools